How many employees work at Mariana Oncology?
Mariana Oncology, Inc. has approximately 77 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mariana Oncology’s total headcount has grown 60.6% from 48 employees in 2023 to 77 in 2026.
Is Mariana Oncology hiring right now?
Yes, Mariana Oncology is actively hiring. Mariana Oncology had 2 active job postings in 2026, a 138.5% decline from 2025 — see job openings & hiring trends.
About Mariana Oncology’s Workforce
Mariana Oncology, Inc. is a Biotech and Healthcare Services company that employs 77 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2021, the company is headquartered in Watertown, Massachusetts.
Mariana Oncology's workforce has grown 60.6% from 2023 to 2026, up 11.7% year over year in 2026. Its workforce is concentrated most in North America (100.0%).
Mariana Oncology's functional groups are Finance and Operations (45.8%), Engineering (40.1%), and Sales and Marketing (14.1%), with Engineering growing fastest (up 1.3%). The average salary is $172,187, highest in North America at a median of $158,000, down 6.7% year over year in 2026.
Mariana Oncology's active job postings fell 138.5% in 2026 to 2, with new postings per month cooling from 4 in 2023 to 1 in 2026. Overall employee sentiment is negative and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- Watertown, Massachusetts
- Founded
- 2021
- Industry
- Biotech and Healthcare Services
- Employees
- 77
- YoY
- +11.7% (+10)
As of March 2026
Mariana Oncology workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Mariana Oncology. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMariana Oncology Annual Employee Count (2023-2026)
- Mariana Oncology had 77 employees in 2026, a 11.7% increase (+10) from 2025.
- Mariana Oncology had 81 employees in 2025, a 10.8% increase (+21) from 2024.
- Mariana Oncology had 60 employees in 2024, a 8.7% decline (+1) from 2023.
- Mariana Oncology had 59 employees in 2023, a 23.6% increase (+20) from 2022.
Mariana Oncology's total workforce has grown from 48 employees in 2023 to 77 in 2026.
Mariana Oncology, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 77 | +10 | +11.7% |
| 2025 | Q4 | 81 | +21 | +10.8% |
| 2025 | Q3 | 78 | +19 | +13.8% |
| 2025 | Q2 | 79 | +19 | +8.3% |
| 2025 | Q1 | 67 | +6 | -5.4% |
| 2024 | Q4 | 60 | +1 | -8.7% |
| 2024 | Q3 | 59 | +10 | -0.1% |
| 2024 | Q2 | 60 | +12 | +11.4% |
| 2024 | Q1 | 61 | +21 | +17.5% |
| 2023 | Q4 | 59 | +20 | +23.6% |
| 2023 | Q3 | 49 | +17 | +13.5% |
| 2023 | Q2 | 48 | +21 | +2.7% |
See Mariana Oncology's complete headcount history, including quarterly breakdowns.
Get the DataMariana Oncology Employee Count by Region (2026)
North America accounts for the largest share of Mariana Oncology's global workforce with approximately 100% of total employees.
Mariana Oncology employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 75 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMariana Oncology Employee Count by Department (2026)
Mariana Oncology's employee groups are Finance and Operations (45.8%), Engineering (40.1%), and Sales and Marketing (14.1%).
Mariana Oncology employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 35 | 45.8% |
| Engineering | 31 | 40.1% |
| Sales and Marketing | 11 | 14.1% |
Compare Mariana Oncology's department mix to industry peers.
See Full DataMariana Oncology Employee Salary by Region (2026)
Mariana Oncology's average employee salary is $172,187 globally. Employees in North America receive the highest compensation.
Mariana Oncology median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $158,000 |
Unlock salary by role, level, and city — and compare to Mariana Oncology's industry peers.
Unlock Salary DataMariana Oncology Job Openings and Hiring Trends (2023-2026)
- Mariana Oncology had 2 active job postings in 2026, a 138.5% decline (-4) from 2025.
- Mariana Oncology had 6 active job postings in 2025, a 15.4% decline (-1) from 2024.
- Mariana Oncology had 7 active job postings in 2024, a 33.3% increase (+2) from 2023.
- Mariana Oncology had 5 active job postings in 2023, a 33.3% decline from 2022.
- Hiring velocity in 2026: 1 new roles/month, down from 4 in 2025 and 2 in 2024.
Mariana Oncology's hiring is slowing: active job postings fell 138.5% in 2026 to 2, with new postings per month cooling from 4 in 2023 to 1 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataMariana Oncology Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Mariana Oncology's workforce based on public professional data. Overall sentiment is negative and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Mariana Oncology
- How fast is Mariana Oncology growing?
- In 2026, Mariana Oncology's headcount grew 11.7% to 77 employees, up from 67 in 2025.
- See the full headcount history
- Where are Mariana Oncology employees located?
- Most Mariana Oncology employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Mariana Oncology?
- The average employee salary at Mariana Oncology is approximately $172.2k per year.
- Analyze the salary distribution
- How many new job postings does Mariana Oncology open per year?
- In Q1 2026, Mariana Oncology opened 4 new job postings. In 2025, Mariana Oncology opened 49 new job postings — about 4 per month.
- Track hiring trends by role
- When was Mariana Oncology founded and where is it headquartered?
- Mariana Oncology was founded in 2021 and is headquartered in Watertown, Massachusetts.
- Compare Mariana Oncology to industry peers
Speak with a workforce expert about Mariana Oncology.
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